Home / 9,721.04-13,412.63-5,471.25

Finding the Fourth Proportional to 9,721.04, 13,412.63 and 5,471.25

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Solution

The fourth proportional to 9,721.04, 13,412.63 and 5,471.25 is: 7,548.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.04 : 13,412.63 = 5,471.25 : x
  2. Step 2: Convert to fraction form
    9,721.04/13,412.63 = 5,471.25/x
  3. Step 3: Cross multiply
    9,721.04x = 13,412.63 × 5,471.25
  4. Step 4: Simplify right side
    9,721.04x = 73,383,824.53
  5. Step 5: Solve for x
    x = 73,383,824.53/9,721.04
  6. Step 6: Final answer
    x = 7,548.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.